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From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Andrey Ignatov <rdna@fb.com>
Cc: bpf <bpf@vger.kernel.org>, Alexei Starovoitov <ast@kernel.org>,
	Daniel Borkmann <daniel@iogearbox.net>,
	Andrii Nakryiko <andriin@fb.com>,
	Dan Carpenter <dan.carpenter@oracle.com>,
	Kernel Team <kernel-team@fb.com>
Subject: Re: [PATCH bpf v2] bpf: Fix possible out of bound write in narrow load handling
Date: Tue, 24 Aug 2021 14:40:08 -0700	[thread overview]
Message-ID: <CAADnVQKemaH_0sw-v04b7Rnvmn98XSigseGtz5K14Zoophbbhw@mail.gmail.com> (raw)
In-Reply-To: <20210820163935.1902398-1-rdna@fb.com>

On Fri, Aug 20, 2021 at 9:39 AM Andrey Ignatov <rdna@fb.com> wrote:
>
> Fix a verifier bug found by smatch static checker in [0].
>
> [0] https://lore.kernel.org/bpf/20210817050843.GA21456@kili/
>
> v1->v2:
> - clarify that problem was only seen by static checker but not in prod;

Since it's a theoretical bug applied to bpf-next.

      reply	other threads:[~2021-08-24 21:40 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20 16:39 [PATCH bpf v2] bpf: Fix possible out of bound write in narrow load handling Andrey Ignatov
2021-08-24 21:40 ` Alexei Starovoitov [this message]

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